According to the National Institute of Standards and Technology (NIST/standards.gov), "Standards provide industries and innovators with a common language that facilitates trade, simplifies transactions and enables people to work together toward greater common goals that cut across disciplines and borders."
In order to locate the correct standard you need for your work, you'll need to know:
RIT provides full text access to standards issued by ASTM and IEEE through subscription databases.
Standards issued by the following organizations are freely available on the web.
You can search these organization or commercial sites to help identify the existence of a standard, then see the Requesting Standards page of this guide for identifying the best options for obtaining the document.